ODN

Astra Communication Service Co., Ltd.Tel : +66(0)2617-3983Fax : +66(0)2617-3986

FTTx Technology and Solutions

ODN

Optical Distribution Network

TOT Fiber 2U

FTTx Account 3542J3888 OFC OFC.+ Media Convertor Active

Wi-Net Active

Outdoor MSAN Passive

Indoor OLT, Centralize ODN Passive

Indoor OLT, Distribution ODN Passive

Active Architecture

MSANMedia

Converter

Uplink

MediaConverter

Broadband Router

Customer

OFC

3542J3888

MSAN

FDF

WirelessBase Station

WirelessCPE

Broadband Router

Customer5.8 GHz

3542J3888

Central Office

Indoor Type

Internet

OLT

Router

Cabinet

ODN

Passive

3542J3888 Feeder

Passive Architecture

Outdoor Type

Internet

Router

Central Office

MSAN

Up Link

ODN

ActiveEquipment 3542J3888

ODN ODN ODN

TOT Fiber 2U

ODN Significance

OLT3%

ONT6%

Fiber11%

ODN Components

10%ODN

Engineer70%

Product Deliver

Product install & Test

Planning &Design

TimeODN Engineering

ODN Takes the largest part of investment ODN takes the longest time in construction

FDF Local Point

splitter

Distribution Point Access Point

OLT

ODN

ONT

ODN provides the optical transmission means from OLT towards the users. It utilizes passive optical components.

OLT/ONT34%

ODN Components

33%

ODN Engineering

33%

Europe region China region

Optical Distribution Network

1.

2.

3.

4.

5. ODN

Optical Distribution Network()

6. ODN

7. ODN

8. ODN

9. ODN

10. OFCCC ODP/SDP

ODN , , , , .1-4 .1-5

1.

FTTx Fixed Broadband

2.

ODN

2.1 TOR 2.2 .

3.

ODN Access Network FDF FTTx

4.

SDP Core 1 Core Splitter

ODP Core 1 Core Splitter

Splitter OFCCC Connector (Feeder Cable),

Optical Splitter (Distribution Cable)Splitter

5. ODN

2 5.1 Optical Centralized Network

Splitter 1

1

1

5. ODN()

5.2 Optical Distribution Network Cascade Splitter 2 Splitter 2

1

1

2

2

6. ODN

. ODN1. Specification No.OES-002-043-01 Outdoor Fiber Cross

Connecting Cabinet (OFCCC for FTTx) Issued 2013 2. Specification No.OES-004-036-01 Single Mode Fiber

Patch Cord and Pigtail (SC/APC,LC/APC) Issued September2006 Optical Connector SC/APC Type

7. ODN

1. Optical Line Terminal(OLT)Class B+ Power Budget

28 dB 2. Safety Margin FDF ODP/SDP

3 dB3. Differential Optical Path Loss

15 dB

7. ODN()

4. Optical Connector Loss 0.4 dB/Point5. Splice Loss 0.05 dB/Point 6. Optical Fiber Loss () G. 652D 1310 nm Optical Fiber Loss 0.35 dB/km 1490 nm Optical Fiber Loss 0.24 dB/km 1550 nm Optical Fiber Loss 0.21 dB/km

7. ODN()

7. Optical Fiber Loss () G.657A 1310 nm Optical Fiber Loss 0.38 dB/km 1490 nm Optical Fiber Loss 0.30 dB/km 1550 nm Optical Fiber Loss 0.28 dB/km8. Optical Return Loss (ORL) ODN 32 dB 9. Connector Return Loss

SC/APC 60 dB SC/UPC 55 dB

Optical spitting Ratio Insertion Loss (dB)1:2 4.0

1:4 7.2

1:8 10.5

1:16 13.8

1:32 17.0

1:64 20.5

Splitter Loss ( OES-001-076-02)Optical Performance Criteria ( Connecter Loss Splitter)

7. ODN()

Attenuation Range (ITU-T Rec.G.984.2) (02/2006)

7. ODN()

Items Unit Single fiberOLT: OLTMean launched power MIN dBm +1.5Mean launched power MAX dBm +5Minimum sensitivity dBm 28Minimum overload dBm 8Downstream optical penalty dB 0.5

Attenuation Range (ITU-T Rec.G.984.2) (02/2006

7. ODN()

ONT: Unit Single fiberMean launched power MIN dBm +0.5Mean launched power MAX dBm +5Minimum sensitivity dBm 27Minimum overload dBm 8Downstream optical penalty dB 0.5

Loss budgets for the G-PON system

7. ODN()

Items Unit Single fiberMinimum optical loss at 1490 nm dB 13Minimum optical loss at 1310 nm dB 13Maximum optical loss at 1490 nm dB 28Maximum optical loss at 1310 nm dB 28

8. ODN

1.2.(,, )3.4.5. 6.7.

9. ODN

9. ODN()

10. Optical Centralized Network

10. Optical Centralized Network ()

10. Optical Centralized Network ()

(A)

CO

GPON Line Card 3 Port

512

01:1-60SM OFC 60F/56 PE(8)A

(3000M.)

OFCCC#003

01:49-60SM OFC 12F/56 PE(8)A

(200M.)01

:1-48

SM O

FC 4

8F/5

6 PE

(8)A

(250

0M.)

OFCCC#004

02:1-12SM OFC 12F/56 PE(8)A

(2500M.)

S.1:64=2 S.1:64=2

ODN Feeder Cale Splitter OFCCC

OFCCC#002

01:25-48SM OFC 24F/56 PE(8)A

(200M.)

S.1:64=2

(A)

OFCCC#001

S.1:64=2

01:1-24SM OFC 24F/56 PE(8)A

(1500M.)

(A)

10. Optical Distribution Network Cascade

#026

#027

01:46#030

01:47#031

#028#029

#012

#008

#009

#010

#011

#013

#001#002

#005#021

#020

#018

#017

#015

#022

(C)

(A)

(A)

(A)

(A)

(A)

#004

#003

#007

#014

#024#025

01:1-48SM OFC 48F

(100M.)

01:3

7-47

(1xR

)SM

OFC

12F

(200

0M.)

(A)

01:1

3-23

(1xR

)SM

OFC

12F

/56

PE(8

)A(1

200M

.)

01:2

5-34

(2xR

)SM

OFC

12F

/56

PE(8

)A(1

500M

.)

S 8

#019

#016

#023

01:48

#032

CO

GPON Line Card 4 Port

S 8

S 8

S 8

S 8

S 8

S 8

S 8

S 8S

8

S 8

S 8

S 8

S 8

S 8

S 8

6

6

5

6

6

6

6

8

7

7

6 7 8

3

4

8

6

8

7

8

3

4

37

6

6

7

6

5

55

191

(A)BJ-05

BJ-04

BJ-03 BJ-02BJ-01

01:10-11(4xR)SM OFC 6F

(500M.)

6 SP.01:37-41

01:43

01:42

01:45

01:44

01:34

01:36

01:35

1 SP.01:25

01:3201-33

01:31

01:23

5 SP.01:13-17

01:7

-11(

1XR)

SM O

FC 6

F(5

00M

.)01

:12

3 SP.01:1-3

S 8

S 8 01:30

01:29

S 801:28

01:27S 8

S 801:26

S 801:22

S 801:21

S 801:20

S 801:19

S 801:18

S 8

01:24

01:5-

6

01:4

01:8-9

S 8

S 8

S 8

01:10

01:7

S 8

(A)01:1-6

SM OFC 6F/56 PE(8)A(1700M.)

01:1-12SM OFC 12F/56 PE(8)A

(1800M.)

01:1-36(12xR)SM OFC 48F/56 PE(8)A

(1500M.)

01:1-24SM OFC 24F/56 PE(8)A

(1500M.)

(A)

S.x:xx

S.1:8=4

#0067S 8

01:11

ODN Optical Distribution Network Splitter CO,ODP/SDP

10. Optical Distribution Network Cascade ()

#026

#027

01:46#030

01:47#031

#028#029

#012

#008

#009

#010

#011

#013

#001#002

#005#021

#020

#018

#017

#015

#022

(C)

(A)

(A)

(A)

(A)

(A)

#004

#003

#007

#014

#024#025

01:1-48SM OFC 48F/56 PE(8)A

(100M.)

01:37

-47(

1xR)

SM O

FC 1

2F/5

6 PE

(8)A

(650

M.)

(A)

01:13

-23(

1xR)

SM O

FC 1

2F/5

6 PE

(8)A

(100

0M.)

01:25

-34(

2xR)

SM O

FC 1

2F/5

6 PE

(8)A

(500

M.)

S 8

#019

#016

#023

01:48

#032

S 8

S 8

S 8

S 8

S 8

S 8

S 8

S 8S

8

S 8

S 8

S 8

S 8

S 8

S 8

6

6

5

6

6

6

6

14

7

7

6 7 8

3

4

8

6

8

7

8

3

4

37

6

6

7

6

5

55

(A)BJ-05

BJ-04

BJ-03 BJ-02 BJ-01

01:10-11(4xR)SM OFC 6F

(150M.)

5 SP.01:37-41

01:43

01:42

01:45

01:44

01:34

01:36

01:35

1 SP.01:25

01:3201-33

01:31

01:23

4 SP.01:13-16

01:8-

11(1

XR)

SM O

FC 6

F/56

PE(

8)A

(600

M.)

01:12

2 SP.01:1-2

S 8

S 8 01:30

01:29

S 801:28

01:27S 8

S 801:26

S 801:22

S 801:21

S 801:20

S 801:19

S 801:17-18

S 8

01:24

01:5-

6

01:3-

4

01:8-9

S 8

S 8

S 8

01:10

01:7

S 8

(A)01:1-6

SM OFC 6F/56 PE(8)A(450M.)

01:1-12SM OFC 12F/56 PE(8)A

(400M.)

01:1-36(12xR)SM OFC 48F/56 PE(8)A

(250M.)

01:1-24SM OFC 24F/56 PE(8)A

(300M.)

(A)

OFCCC#003

191

#0067S 8

01:11

S.1:8=4

ODN Optical Distribution Network Splitter OFCCC,ODP/SDP

ODP/SDP ODN

Loss Budget ODN

TX Closure OFCCCFDF RX

Adaptor Splicing

OSPInside CO

ODP/SDP

Inside CO

Adaptor: 1

Splicing: 1

OSP

Splitter: 1x8 = 2

Splicing: 4

Adaptor: 3

Whole Section

Cable length: 5 km

Safety Margin: 3dB

Loss Budget ODN()

Direction1

(1490nm)2

(1550nm)3

(1310nm)OLT -> ONU/ONT 24.05dB 23.90dB ONU/ONT -> OLT 24.60dB

1. Total Link Loss

Loss Budget ODN()

24.05dB (1490 nm)

Loss(dB)/ (dB)1 Splicing Point 5 point 0.05 0.252 Cable Loss 5 km 0.24 1.23 Splitter Loss,1:8 2 pc 10.5 214 Connector Loss 4 pc 0.4 1.6

Total Link Loss 24.05

Loss Budget ODN()

23.90dB (1550 nm)



Loss Budget ODN()

24.60 dB (1310 nm)



OLT class B+ : (Tx) +1.5 , +5dBm / (Rx) Overload -8dBm Sensitivity -28dBmONT class B+ : (Tx) +0.5 , +5dBm / (Rx) Overload -8dBm Sensitivity -27dBm

OLT (Receiver) = ONU/ONT (Max.. Tx Power) ( Link Loss + Safety Margin)= +5dBm - ( 24.60dB+ 3 dB) = -22.60dBm { (Rx) -8dBm -28dBm }

ONT (Receiver) = OLT (Max. Tx Power) ( Link Loss + Safety Margin)= +5dBm - ( 24.05dB+ 3 dB) = -22.05dBm {(Rx) -8dBm -27dBm }

10. OFCCC ODP/SDP

OFCCC ODP/SDP .

XG-PON 1577 nm, 1270 nm,1550 nmG-PON 1490 nm, 1310 nm,1550 n m

Migration from GPON to XG-PON

GPON ONT

GPON ONT

GPON

OLT FDFONT

ONT

Central OfficeSubsystem

Feeder CablesSubsystem

Distribution / IndoorCables Subsystem

Splitter

Home/Building

ODN

GPON ONT

ONT

1

XGPON1

2

WDM

3ONT

GPON ONT

3

GPON ONT

ONTWDM 1r

3

Splitter

Migration from GPON&XG-PON to TWDM-PON

GPON ONT

GPON ONT

GPON

OLT FDFONT

ONT

Central OfficeSubsystem

Feeder CablesSubsystem

Distribution / IndoorCables Subsystem

Splitter

Home/Building

ODN

XGPON1

ONT

XGPON1 ONT

ONT

XGPON1 ONT1

TWDMPON

2

WDM

WDM

WDM

WDM 1r

Splitter

3ONT

GPON ONT

3ONT

XGPON1 ONT3

TWDM

TWDM

TWDM

08 9538 5735

Documents

ODN